Do you want to do sustainable and healthy shopping? Questionmark helps! The free app shows you which (top) quality marks have a product on the sustainability themes environment, human rights and animal welfare. In addition, the app assesses whether the product fits within a healthy diet. You can scan or look up products. The use of the app is simple: 1. Scan the barcode on the product packaging or find your product 2. View the health and sustainability information 3. Choose an alternative produc